A Plesiosaur Containing an Ichthyosaur Embryo as Stomach Contents from the Sundance Formation of the Bighorn Basin, Wyoming

@inproceedings{Okeefe2009APC,
  title={A Plesiosaur Containing an Ichthyosaur Embryo as Stomach Contents from the Sundance Formation of the Bighorn Basin, Wyoming},
  author={F. O'keefe and Hallie P. Street and J. P. Cavigelli and J. Socha and R. O'keefe},
  year={2009}
}
  • F. O'keefe, Hallie P. Street, +2 authors R. O'keefe
  • Published 2009
  • Biology
  • Herein we report the discovery of an ichthyosaur embryo from the Upper Member of the Sundance Formation (Oxfordian) of the Bighorn Basin, Wyoming. The specimen is the first known ichthyosaur embryo from the Upper Jurassic, and is the first Jurassic ichthyosaur embryo from North America. The embryo was discovered in close association with the abdomen of an articulated partial plesiosaur skeleton, and several lines of evidence support the interpretation of the embryo as plesiosaur stomach… CONTINUE READING
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